From 657bf2f6b835b499045d9ddb04b924db842a315b Mon Sep 17 00:00:00 2001
From: Linus Probert <linus.probert@gmail.com>
Date: Mon, 23 Apr 2018 09:15:43 +0200
Subject: [PATCH] Attempt to remove travis+clang+ccache warnings.

---
 .travis.yml    | 1 +
 CMakeLists.txt | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 441f4d7..10f9664 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ compiler:
 env:
     global:
         - secure: "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"
+        - CCACHE_CPP2=yes
 
 before_install:
     - echo -n | openssl s_client -connect https://scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-
diff --git a/CMakeLists.txt b/CMakeLists.txt
index df0ffc0..7b655e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,15 @@ configure_file(
 	"${PROJECT_BINARY_DIR}/config.h"
 	)
 
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	set(CLANG 1)
+endif()
+
+if (CCACHE_FOUND AND CLANG)
+	add_definitions(-Qunused-arguments -fcolor-diagnostics)
+endif()
+
+
 IF ( WIN32 )
     MESSAGE ( STATUS "Setting MSVC MT switches")
     SET (